Best Knife Quenching Oil

Roy reveals his secret quenching oil in this video.

Best knife quenching oil.

Jantz offers three of the best quench oils on the market and between them they cover a wide variety of knife making steels including 52100 80crv2 o 1 and. Water based caustic quenchants actually quench parts even more quickly than oil but the severity with which caustics quench parts can cause significant distortion or even cracking for some materials. Hardening steel with motor oil is a way of performing what is called the case hardening of steel. 50 knife shop suggests the oil should be 90 140f but i just used my finger to judge when the oil became bath water warm.

I used a hotplate set on low heat. Wayne goddard says that cold oil is not wet enough. Personally i use both park s 50 canola oil. Quench in any medium oil.

Also certain carbon steels quench better in certain oils than others. Easy to make a good knife as it hardens well in just about any oil but requires a controlled soak to make a great knife. In order for the oil to provide the right qualities for quenching it needs to be warmed. The best oil for quenching knife steel might just come down to your situation.

Do not overheat after normalization. Canola mineral oil transmission fluid etc. Availability price and personal preference can all come into play here. Knife making supplies best prices selection and service.

That is it transfers heat more quickly compared to other quenching media like molten salt or gas. Normalize x3 if forged then 1500 f for 10 to 30 minutes. This is why using high quality steel is the best choice for knife making. Pure steel is actually too soft for many applications.

Oil quenching is popular because of its severity. Determining the proper quench oil means knowing the type of steel you are working with. In order to put a hard layer on the steel carbon must be fused at the molecular level into the top centimeter or so of the steel.